 
        <div style="border:green; height: inherit;">
            <ul>
            <li><a href="<?php echo base_url();?>add_user/list_user">List Users</a></li>
            <li ><a href="<?php echo base_url();?>shiporder/add_user">Add Users</a></li>
            <li><a href="<?php echo base_url();?>add_user_category/list_user_category">List Users Category</a></li>
            <li ><a href="<?php echo base_url();?>shiporder/add_user_category">Add User Category</a></li>
            <li><a href="<?php echo base_url();?>shiporder/add_couriers">Add Courier</a></li>
            <li><a href="<?php echo base_url();?>shiporder/list_courier">List Courier</a></li>
            </ul>
        </div>
       